| DUAL WIN LIMITED | Private company limited by shares | Dissolved |
| DUAL BOND LIMITED | Private company limited by shares | Dissolved |
| DUAL CAPITAL LIMITED | Private company limited by shares | Live |
| DUAL CATERING LIMITED | Private company limited by shares | Dissolved |
| DUAL H ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| DUAL HAPPY LIMITED | Private company limited by shares | Live |
| DUAL HAPPY LIMITED | Private company limited by shares | Live |
| DUAL LUCK COMPANY LIMITED | Private company limited by shares | Dissolved |
| DUAL VIEW LIMITED | Private company limited by shares | Dissolved |
| Dualbridge Limited | | Live |
| TOSHIBA DUAL-CORE ELECTRIC APPLIANCES (CHINA) LIMITED | Private company limited by shares | Dissolved |
| DualDream Engineering Consultancy Limited | | Live |
| DualDynamo Enterprises Co., Limited | | Live |
| DUAL-ENERGY HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Dualens. Limited | Private company limited by shares | Live |
| DUALGOLD LIMITED | Private company limited by shares | Dissolved |
| DUALINC LIMITED | Private company limited by shares | Live |
| DUALINK (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Duality Limited | | Live |
| DUALITY LLC LIMITED | | Live |
| Duality Creative Limited | Private company limited by shares | Live |
| DualityBio HK Limited | Private company limited by shares | Live |
| DUALLOY LIMITED | Private company limited by shares | Live |
| DUALLOY METALS LIMITED | Private company limited by shares | Live |
| DualMint Limited | | Live |
| DUALPLAST HK LIMITED | Private company limited by shares | Dissolved |
| Dualrays Optoelectronics (HK) Co., Limited | Private company limited by shares | Live |
| DUAL-REWARD TRADING LIMITED | Private company limited by shares | Dissolved |
| DUALSHINE LIMITED | Private company limited by shares | Live |
| Dualstar Co., Limited | | Live |
| Dualstar Industry Limited | Private company limited by shares | Live |
| PHOENIX DUALTECH LIMITED | Private company limited by shares | Live |
| DUALTOP LIMITED | Private company limited by shares | Live |
| Dualtronics Limited | Private company limited by shares | Live |
| DUALUSTRE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DUALVIN INDUSTRIAL GROUP LIMITED | Private company limited by shares | Dissolved |
| DualX Holding Limited | Private company limited by shares | Live |
| DUAL-Y TRADING LIMITED | Private company limited by shares | Live |